/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Polygroups/PolygroupUtil.h
index of the first Layer with the givenFNamein Mesh AttributeSet, or -1 if not found
namespace UE { namespace Geometry { int32 UE::Geometry::FindPolygroupLayerIndexByName ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, [FName](API\Runtime\Core\UObject\FName) Name ) } }